Public bug reported:

Binary package hint: linux-image-2.6.24-19-generic

Hello folks!

I'm referring to an issue with my "Logitech Audio Hub"-system which was also 
discovered by several owners of these speakers in connection with linux.
Let me just paste you the quotes and the links to the corresponding bulletin 
boards.

gnufied 05-24-2008
"I have bought those Audiohub USB speakers recently and while buying I asked 
the salesman very specifically, if it will work in Linux. He said, yes, it will 
work in Linux, since it doesn't need any drivers.
Well, I brought them home and changed my Audio device to USB audio and speakers 
work. But there is a constant popping/buzzing sound coming out of speaker, 
which is driving me nuts. Now, I went back to vendor and he promised he will 
contact logitech support and get back to me. Now, its almost more than a week 
and blighter is yet to get back. I googled and someone using Archlinux had 
similar problem, but apparently dear friend was not able to fix it. I am using 
Ubuntu 8.04 and would like to know, what to do about these speakers, which are 
next to dead weight for me."

Jsanchez  07-17-2008
"For people with the same problem, there's a solution by unchecking 2 options 
in the kernel. Here goes the link
http://bbs.archlinux.org/viewtopic.php?id=41517
by unchecking those 2 options it works perfectly, [...]"

The above is taken from
http://forums.logitech.com/logitech/board/message?board.id=stereo_20&thread.id=3304


and the corresponding solution can be found on 
http://bbs.archlinux.org/viewtopic.php?id=41517 which is quoted in the 
following:

mikko-v 05-30-2008
"[...] After experimenting a bit with the kernel USB configuration, the noise 
went away when I unselected
USB_EHCI_ROOT_HUB_TT and USB_EHCI_TT_NEWSCHED at "Device drivers - USB support 
- EHCI HCD". I think it is the latter option that made the difference. This was 
on kernel 2.6.25.4. Although marked experimental, both seem to be selected on 
Arch kernel26. On older kernels (2.6.20-2.6.24) you may have to select 
USB_EHCI_SPLIT_ISO, but there I am just guessing. [...]"


So I would appreciate it if you'd remove those 2 experimental kernel-options in 
order to enhance the compatibility to this sort of hardware.

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New

-- 
Kernel 2.6.24-19-generic conflicts with "Logitech Audio Hub"
https://bugs.launchpad.net/bugs/252291
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